backend/tests: Add blackbox tests from Kotlin JVM

Added tests from testData/codegen/box directory. There are blackbox tests
in other directories and they are to be added.

backend.native/tests/external/codegen/blackbox/reflection/createAnnotation/arrayOfKClasses.kt

@@ -0,0 +1,16 @@
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS
+
+// WITH_REFLECT
+
+import kotlin.reflect.KClass
+import kotlin.test.assertEquals
+
+annotation class Anno(val klasses: Array<KClass<*>> = arrayOf(String::class, Int::class))
+
+fun box(): String {
+    val anno = Anno::class.constructors.single().callBy(emptyMap())
+    assertEquals(listOf(String::class, Int::class), (anno.klasses as Array<KClass<*>>).toList() /* TODO: KT-9453 */)
+    assertEquals("@Anno(klasses=[class java.lang.String, int])", anno.toString())
+    return "OK"
+}